CN107004892A - For the method for the electrode assemblie for manufacturing secondary cell - Google Patents
For the method for the electrode assemblie for manufacturing secondary cell Download PDFInfo
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- CN107004892A CN107004892A CN201580065084.XA CN201580065084A CN107004892A CN 107004892 A CN107004892 A CN 107004892A CN 201580065084 A CN201580065084 A CN 201580065084A CN 107004892 A CN107004892 A CN 107004892A
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- battery pile
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- curvature
- monocell
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0585—Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0436—Small-sized flat cells or batteries for portable equipment
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0468—Compression means for stacks of electrodes and separators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Disclose a kind of method for manufacturing secondary cell.More specifically, present disclosure is related to a kind of method for manufacturing electrode assemblie by stacking multiple bicell types and/or monocell type element cell.The curvature produced in roll laminating technique in element cell can be easily eliminated according to the method for manufacturing electrode assemblie of present disclosure, and plate electrode component can be produced using simple technique.In addition, when using the above method to manufacture electrode assemblie, the curvature constituted between each unit battery of electrode assemblie can be cancelled, therefore, it can significantly extend the time that electrode assemblie maintains writing board shape.
Description
Technical field
This application claims the korean patent application the 10-2014-0172401st submitted on December 3rd, 2014 in South Korea
Priority, the disclosure of above-mentioned patent application is combined herein by quoting.Present disclosure is related to for secondary cell
Electrode assemblie and its manufacture method.More specifically, present disclosure is related to by stacking multiple bicell types and/or single electricity
Pond type element cell is come the method that manufactures electrode assemblie.
Background technology
With the technological development and increase in demand to mobile device, the demand to the battery as the energy increases sharply, because
This, many researchs have been carried out to the battery for meeting various requirement.Typically, for cell shapes, thinner thickness and can answer
Prismatic secondary cell and bag type secondary battery for the product of such as mobile phone etc show high demand, with regard to battery material
For material, such as lithium ion battery and lithium with such as high-energy-density, discharge voltage and output stability these advantages from
The lithium secondary battery of sub- polymer battery etc shows high demand.
In addition, can be classified according to positive pole/dividing plate/negative pole structure of electrode assemblie to secondary cell.It can be divided into, example
Such as, winding type electrode assemblie, the structure of lengthy motion picture winding dividing plate plant simultaneously therebetween with positive pole and negative pole；Stacked electrode group
Part, the structure of dividing plate plant simultaneously therebetween is sequentially stacked with the multiple positive poles and negative pole cut by certain size unit；
And stack/folding-typed electrode assembly, with the double cell that will be stacked using barrier film etc. with the positive pole of discrete cell and negative pole
(Bi-cell) or monocell (Monol-cell) winding dividing plate plants structure therebetween simultaneously.
Recently, the pouch-type battery with the structure that stacked electrode assemblie is placed in the aluminum-laminated sheets of pouch-shaped battery case
Receive much concern, reason is as follows：It has low manufacturing cost, it is lightweight, be easy to shape modification, in addition, its utilization rate gradually increases.
Fig. 1 schematic illustrations are used for preparing the manufacture work of the monocell of the electrode assemblie of the stacked batteries of prior art
Skill.Minimum unit monocell can generally comprise dividing plate/first electrode/dividing plate/second electrode.As shown in figure 1, following step can be passed through
Zhou Lai manufacturing cells monocell：The sequentially second electrode 13 of 11/ first electrode of stack separator, 12/ dividing plate 11/, according to roll laminating work
Skill makes each layer carry out interlaminar bonding by heating and compacting, and suitably cuts close contact using cutter C1, C2, C3
Each layer.Can be different according to the double cell manufacturing process that prior art is performed with above-mentioned monocell manufacturing process similar mode
Part is the stacking order of electrode and dividing plate.However, the monocell and/or double cell that are manufactured by roll laminating technique have with
Lower shortcoming：It may bend because of the heat and pressure that are applied when through roller (roller) and can be with curved shape
Non-tablet shape.In addition, as shown in fig. 1, dividing plate and electrode can wind state storage until expansion (unwind) and be carried
Roll laminating is supplied to be stacked.When the deformation applied during winding state is not eliminated fully by roll laminating, this bending
Phenomenon may show more prominent.Because stacked batteries can be used for prismatic battery of the manufacture with writing board shape, because
This may need extra technique the monocell and/or double cell of such curved shape are modified into writing board shape.
Fig. 2 schematic illustrations manufacturing process of the stacked batteries of prior art.First, electricity is manufactured by following steps
Pole component 100：Stack and stack the element cell 10 (monocell and/or double cell) of bending so that bending direction is mutually the same,
Then twine band 20 and fixed.Electrode assemblie can keep curved shape.Afterwards, can by using bending plate jig J simultaneously
Press the upper/lower of electrode assemblie and electrode assemblie is modified to writing board shape.However, due in the element cell of stacking
Bending direction is identical, and the amendment stress kept on bent portion may each other be strengthened between each unit battery, because
And, exist it is not easily possible to from electrode assemblie eliminate curvature the problem of.
The content of the invention
Technical problem
Design present disclosure to solve problem of the prior art, therefore, it is a kind of effective that present disclosure is related to offer
Method is used to eliminate the curvature by stacking the electrode assemblie manufactured by the element cell bent via roll laminating technique.This public affairs
Opening the these and other objects and advantages of content can be understood by following detailed description, and showing according to present disclosure
Example property embodiment will become apparent.In addition, so it is easy to understand that the objects and advantages of present disclosure can pass through
Means or method described in appended claims and combinations thereof are realized.
Technical scheme
There is provided a kind of manufacturer of the plate electrode component for electrochemical appliance in the one side of present disclosure
Method.
In the first aspect of present disclosure, a kind of method for manufacturing plate electrode component includes：Stack first module
Battery pile and second unit battery pile, so that their concave surface is (S1) facing with each other, the first module battery pile and the second list
First battery pile is C-shaped to be bent and with certain radius of curvature；With the first module battery pile and second by pressing stacking
Element cell heap and from the element cell heap eliminate curvature (S2).
In the second aspect of present disclosure and in above-mentioned first aspect, in S1, the curvature of first module battery pile
Radius R1 is-the 10% to+10% of the radius of curvature R 2 of second unit battery pile.
In the third aspect of present disclosure and above-mentioned first aspect or second aspect any one in, in S1, often
The center of curvature axle position of one element cell heap is put down in vertical with the opposite face of the element cell heap (facing plane)
On face.
In the fourth aspect of present disclosure and above-mentioned first into any one of the third aspect, first module battery
Heap and second unit battery pile are monocell and/or double cell respectively.
In any one in the 5th aspect of present disclosure and in terms of above-mentioned first to fourth, plate electrode component
It is bicell type and/or monocell type.
In any one in the 6th aspect of present disclosure and in terms of above-mentioned first to the 5th, first module battery
Heap and second unit battery pile are a unit monocell and a unit double cell respectively, or by stacking two or more
What unit monocell and unit double cell were formed.
In addition, present disclosure the 7th aspect in and it is above-mentioned first to the 6th aspect any one in, flat board electricity
Pole component is monocell type or bicell type, and plurality of electrode and multiple dividing plates are alternately stacked, and the dividing plate is plugged on
Between two relative electrodes.
In the eighth aspect of present disclosure and in above-mentioned 7th aspect, plate electrode component is bicell type, its
In be arranged on the top part electrode electrode of the polarity with being arranged on bottom part polarity it is mutually the same.
In the 9th aspect of present disclosure and in above-mentioned 7th aspect, plate electrode component is monocell type, its
In be arranged on the top part electrode electrode of the polarity with being arranged on bottom part polarity it is opposite each other.
In addition, in the tenth aspect of present disclosure and above-mentioned first to the 9th aspect any one in, will in S1
The third unit battery pile of flat shape with unlimited radius of curvature is plugged on first module battery pile and second unit battery
Between heap.
In the tenth one side of present disclosure and in above-mentioned tenth aspect, third unit battery pile is monocell type
Or bicell type.
Beneficial effect
Present disclosure provides following effect.
Can easily it be eliminated in roll laminating technique in list according to the method for being used to manufacture electrode assemblie of present disclosure
The curvature produced in first battery, and plate electrode component can be produced using simple technique.The above method is utilized in addition, working as
To manufacture during electrode assemblie, the curvature constituted between each unit battery of electrode assemblie can be cancelled, and therefore, can significantly extend electricity
Pole component maintains the time of writing board shape.
Brief description of the drawings
By description with reference to the accompanying drawings to each embodiment, the other purposes and aspect of present disclosure will become aobvious
And be clear to.Accompanying drawing illustrates the better embodiment of present disclosure, and to provide to the disclosure together with foregoing teachings
The technical spirit of content is further understood, and therefore, present disclosure should not be considered limited to accompanying drawing.Meanwhile, in order to more clear
Describe to Chu, shape, size, specification or the ratio of each element in the accompanying drawing of present disclosure can be amplified.
Fig. 1 illustrates the roll laminating technique of the element cell of manufacture prior art.
The technique that Fig. 2 illustrates by stacking the element cell in curved shape of prior art to manufacture electrode assemblie.
Fig. 3 illustrates the element cell that it is marked with the axis of curvature.
Fig. 4 schematic illustrations are according to the method for the manufacture electrode assemblie of the embodiment of present disclosure.
The radius of curvature of Fig. 5 schematic illustrations first module battery pile and second unit battery pile is poor.
Fig. 6 illustrates first module battery pile and the axis of curvature of second unit battery pile is located at and the element cell heap
In the vertical plane of opposite face.
Fig. 7 is illustrated in the various methods according to present disclosure, by stacking first module battery pile and the second list
First battery pile manufactures the embodiment of monocell type electrode assemblie.
Fig. 8 and Fig. 9 illustrate single by planting flat board the 3rd between first module battery pile and second unit battery pile
First battery pile manufactures the embodiment of electrode assemblie.
Figure 10 illustrates by tape wrap to fix the embodiment of manufactured electrode assemblie.
Embodiment
Hereinafter, it will be described in detail with reference to the accompanying drawings the preferred embodiment of present disclosure.Before described, it should be understood that
, the term used in specification and appended book should not be construed as limited to general and dictionary meanings, and
Be should with allow inventor best interpretations are suitably defined term principle basis according to correspond to present disclosure skill
Meaning and concept in terms of art are explained.Therefore, preferred embodiment simply for purposes of illustration is described provided herein
, be not intended to limit scope of the present disclosure, it is, therefore, appreciated that without departing substantially from scope of the present disclosure
In the case of, other equivalent alterations and modifications can be carried out to present disclosure.
Present disclosure is related to a kind of manufactures electrode group by stacking the element cell of monocell and/or double cell form
The method of part, by stacking using the element cell of the curved shape of roll laminating technique manufactures flat more particularly, to a kind of
The method of plate electrode component.
According to present disclosure, the electrode assemblie is the stacking of the dividing plate of positive pole and negative pole and plant therebetween, described
Electrode assemblie can be used in the electrochemical appliance of such as lithium rechargeable battery.
Referring to Figures 1 and 2, it is usually to utilize layer of rolls as described above to be included in element cell included in electrode assemblie
The manufacture of (roll lamination) technique is pressed, and the element cell is manufactured into tool because of the heat and pressure that are applied
There is curved shape.The element cell of bending can based on certain curvature bending shaft, and axis of curvature X it is general along and roller advance side
To vertical direction.The axis of curvature X-shaped that Fig. 3 is illustrated in each element cell turns into perpendicular to roller direction of advance P.
Fig. 4 schematic illustrations are according to the manufacture method of the electrode assemblie of embodiment.Hereinafter, with reference to the accompanying drawings in detail
The preferred embodiment of present disclosure carefully is described.
Reference picture 4, at 4a, can prepare C-shaped bend and the first module battery pile with certain radius of curvature
210.The element cell heap can be a monocell or bicell type unit cells, or along consistent curvature direction shape
Into two or more monocell or bicell type unit cells stacking.
Then, at 4b, C-shaped bend and the second unit battery pile 220 with certain radius of curvature can be prepared.
Similar with first module battery pile, the second unit battery pile can be a monocell or bicell type unit cells, or
Person is the two or more monocell or the stacking of bicell type unit cells along consistent curvature direction formation.
Can be by the way that in one plane artificially bending unit battery or element cell heap manufacture first module battery pile
With the second unit battery pile.However, according to present disclosure detailed embodiment, element cell and an element cell
The curvature of heap can because of roll laminating technique during the heat that is applied and/or pressure and self-assembling formation.
Then, at 4b, first module battery pile and second unit battery pile can be stacked into cause their concave surface that
This is faced.
According to present disclosure detailed embodiment, first module battery pile and second unit battery pile can be respective
With certain radius of curvature.Preferably, the radius of curvature R 1 of first module battery pile can be the song of second unit battery pile
Rate radius R2 pact -10% to+10%, it is highly preferred that first module battery pile can have with second unit battery pile it is consistent
Radius of curvature (referring to Fig. 5).
In addition, according to present disclosure preferred embodiment, first module battery pile and second unit battery pile
There can be identical non-uniform curvature radius, and the horizontal length and vertical length of the element cell heap are mutually the same.When full
During these conditions of foot, as shown in fig. 4c, when the marginal portion of the bending of two element cell heaps is in contact with each other to be pressed,
Curvature can most effectively be offset.
According to present disclosure detailed embodiment, when first module battery pile and second unit battery pile are dumped
When putting and be stacked so that their concave surface is facing with each other, the axis of curvature X1 of first module battery pile and second unit battery pile
Axis of curvature X2 is preferably located in the plane vertical with the opposite face of first module battery pile and second unit battery pile.At this
In disclosure, term " opposite face " refers to be located to be deposited between first module battery pile and second unit battery pile relative to each other
Virtual plane, for example, " opposite face " is such a plane, first module battery pile and second unit battery pile are based on
The plane is mutually symmetrical.
Fig. 6 illustrate the axis of curvature of stacking each be located at the plane vertical with opposite face on.When axis of curvature X1,
X2 then utilizes technique described below when intersecting with certain angle or not on the same plane vertical with opposite face
The pressing of progress may not effectively produce curvature counteracting.
Then, in S2, by being pressed from outside described in the first module battery pile stacked and second unit battery pile, bonding
Element cell heap and elimination curvature can obtain plate electrode component.According to present disclosure detailed embodiment, institute
Pressing is stated preferably along the direction vertical with the opposite face of first module battery pile and second unit battery pile, towards electrode
The center surface of component is performed.For example, pressing is performed using a pair of fixtures including upper pressing member and lower support member, it is excellent
Selection of land, upper pressing member and lower support member can be writing board shapes.That is, can by by its recess it is facing with each other stack
Element cell heap be arranged on the upper surface of lower support member and press upper pressing member in a downwardly direction and by the list
First battery pile is bonded.
In the electrode assemblie manufactured according to the above method, multiple electrodes and multiple dividing plates stacking alternating with each other, and that
There is the comparative electrode of opposite polarity to be located at respectively on two side surfaces of dividing plate for this.That is, the dividing plate in electrode assemblie
It can plant and be stacked between two relative electrodes, the electrode assemblie can be monocell type or bicell type.
In above-mentioned monocell type electrode assemblie, the electrode of the top part is arranged in each electrode most lower with being arranged on
The electrode of end part can have reciprocal polarity.In addition, in above-mentioned bicell type electrode assemblie, being set in each electrode
The top part electrode and be arranged on the electrode of bottom part and can have mutually the same polarity.According to present disclosure
A detailed embodiment, in above-mentioned bicell type or monocell type electrode assemblie, as needed, dividing plate may be provided at or
On the outside that the top electrode and/or bottom electrode can be not arranged in.In addition, term " the top part " as used herein
" bottom part " is intended to mean that the relative direction for being easy to explanation, and they simultaneously do not know absolute physical location.
Fig. 7 illustrates the manufacture method of the monocell type electrode assemblie according to an embodiment.According to present disclosure
A detailed embodiment, first module battery pile can be monocell type element cell heap, wherein with from the downside of figure
The monocell type element cell for dividing plate/first electrode/dividing plate/second electrode that order is stacked is stacked.In addition, second unit is electric
Pond heap can be monocell type element cell heap, and its median septum/first electrode/dividing plate/second electrode is stacked on the downside of figure.
In this case, can be extra because second electrode can be exposed to outside from one end of electrode assemblie, therefore in order to prevent exposure
Ground performs the technique that dividing plate is formed on the upper surface of the exposure of second electrode.
According to present disclosure detailed embodiment, the first module battery pile and the second battery cell stack of bending
It can be stacked by being plugged with flat board third unit battery pile therebetween.According to present disclosure detailed embodiment,
Third unit battery pile can have the flat shape of unlimited radius of curvature.In addition, third unit battery pile can be monocell type
Or bicell type.
According to present disclosure detailed embodiment, as third unit battery pile, it can use according to this public affairs
Open content be used for manufacture electrode assemblie manufactured by the method for electrode assemblie.
Fig. 8 illustrates first module battery pile and the second battery cell stack by being plugged with third unit battery pile therebetween
And stack, wherein the third unit battery pile is monocell type and is provided with dividing plate on both surfaces.In addition, Fig. 9 figures
First module battery pile and the second battery cell stack are solved by being plugged with third unit battery pile therebetween, wherein the described 3rd is single
First battery pile is bicell type and is formed with dividing plate on both surfaces.When by being made with flat board third unit battery pile
When mfg. electrode component is folded, the curvature of first module battery pile and the second battery cell stack can be more effectively eliminated.
Finally, band can will be twined with fixation by the electrode assemblie for eliminating curvature formation.Figure 10 schematic illustrations are according to one
Individual embodiment twines the embodiment of band and fixed electrode component.
According to present disclosure, the material of electrode and dividing plate can be unrestricted, (such as has as long as they are electrochemical appliances
Body is secondary cell or lithium rechargeable battery) in commonly used material, will not be described again in detail herein.
Present disclosure is describe in detail.Represented it is to be understood, however, that being described in detail with specific embodiment
While the preferred embodiment of present disclosure, it is merely possible to explanation and provides, because according to these detailed description, to ability
For the technical staff in domain, the various changes and modifications in the range of present disclosure will become obvious.
Description of reference numerals
100、200：Electrode assemblie
10、210、220、230：Element cell heap
20、240：Band 11, S：Dividing plate
12、E1：First electrode 13, E2：Second electrode
211、221、231：Element cell
C1、C2、C3：Cutter.
Claims (11)
1. a kind of method for manufacturing plate electrode component, including：
S1：First module battery pile and second unit battery pile are stacked, so that their concave surface is facing with each other, the first module
The battery pile and second unit battery pile is C-shaped bends and with certain radius of curvature；With
S2：Eliminate bent from the element cell heap by pressing the first module battery pile stacked and second unit battery pile
Rate.
2. according to the method described in claim 1, wherein, in S1, the radius of curvature R 1 of the first module battery pile is described
- the 10% to+10% of the radius of curvature R 2 of second unit battery pile.
3. according to the method described in claim 1, wherein, in S1, the center of curvature axle position of each element cell heap in institute
State in the vertical plane of opposite face of element cell heap.
4. according to the method described in claim 1, wherein the first module battery pile and second unit battery pile are single respectively
Battery and/or double cell.
5. according to the method described in claim 1, wherein the plate electrode component is bicell type and/or monocell type.
6. according to the method described in claim 1, wherein the first module battery pile and second unit battery pile are one respectively
Individual unit monocell or a unit double cell, or be by stacking two or more unit monocell or unit double cell respectively
Formed.
7. according to the method described in claim 1, wherein the plate electrode component is monocell type or bicell type, wherein many
Individual electrode and multiple dividing plates are alternately stacked, and the dividing plate is plugged between two relative electrodes.
8. method according to claim 7, wherein the plate electrode component is bicell type, is provided with topmost
The polarity of electrode of the polarity of partial electrode with being arranged on bottom part is mutually the same.
9. method according to claim 7, wherein the plate electrode component is monocell type, is provided with topmost
Partial electrode and the electrode for being arranged on bottom part are opposite each other.
10. according to the method described in claim 1, wherein, it is single by the 3rd of the flat shape with unlimited radius of curvature the in S1
First battery pile is plugged between the first module battery pile and the second unit battery pile.
11. method according to claim 10, wherein the third unit battery pile is monocell type or bicell type.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20140172401 | 2014-12-03 | ||
| KR10-2014-0172401 | 2014-12-03 | ||
| PCT/KR2015/013171 WO2016089144A2 (en) | 2014-12-03 | 2015-12-03 | Method for manufacturing electrode assembly for secondary battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107004892A true CN107004892A (en) | 2017-08-01 |
| CN107004892B CN107004892B (en) | 2019-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580065084.XA Active CN107004892B (en) | 2014-12-03 | 2015-12-03 | Method for manufacturing the electrode assembly of secondary cell |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US10297868B2 (en) |
| KR (1) | KR101812272B1 (en) |
| CN (1) | CN107004892B (en) |
| WO (1) | WO2016089144A2 (en) |
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| KR101963763B1 (en) * | 2015-06-23 | 2019-03-29 | 주식회사 엘지화학 | A method for manufacturing a curved electrode assembly |
| KR101837724B1 (en) | 2017-11-15 | 2018-03-12 | 이소라 | manufacturing method for Laminated secondary battery |
| KR102347981B1 (en) | 2018-04-23 | 2022-01-07 | 주식회사 엘지에너지솔루션 | Electrode assembly and method of manufacturing the same |
| US11563233B1 (en) | 2019-09-16 | 2023-01-24 | Meta Platforms Technologies, Llc | Curved battery-pack devices and accessories |
| USD925528S1 (en) | 2020-02-10 | 2021-07-20 | Facebook Technologies, Llc | Head-mounted display |
| USD925529S1 (en) | 2020-02-10 | 2021-07-20 | Facebook Technologies, Llc | Head-mounted display |
| USD968402S1 (en) | 2020-10-08 | 2022-11-01 | Meta Platforms Technologies, Llc | Headset strap |
| USD972560S1 (en) | 2020-10-08 | 2022-12-13 | Meta Platforms Technologies, Llc | Headset strap |
| KR20240036976A (en) | 2022-09-14 | 2024-03-21 | 주식회사 엘지에너지솔루션 | Manufacturing apparatus of unit cell for secondary battery and manufacturing method using the same |
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2015
- 2015-12-03 WO PCT/KR2015/013171 patent/WO2016089144A2/en active Application Filing
- 2015-12-03 KR KR1020150171679A patent/KR101812272B1/en active IP Right Grant
- 2015-12-03 CN CN201580065084.XA patent/CN107004892B/en active Active
- 2015-12-03 US US15/531,886 patent/US10297868B2/en active Active
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Also Published As
| Publication number | Publication date |
|---|---|
| KR101812272B1 (en) | 2017-12-26 |
| WO2016089144A2 (en) | 2016-06-09 |
| US10297868B2 (en) | 2019-05-21 |
| WO2016089144A3 (en) | 2016-07-28 |
| KR20160067059A (en) | 2016-06-13 |
| US20170263982A1 (en) | 2017-09-14 |
| CN107004892B (en) | 2019-08-02 |
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